MySQL MCQs with answers Page - 6

Here, you will find a collection of MCQ questions on MySQL. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 831.35K Points
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Q. Which statement is used to check how MySQL would execute a SELECT query?

  • (A) EXPLAIN
  • (B) TELL
  • (C) SHOW
  • (D) DISPLAY

A

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Q. The tool for copying databases is

  • (A) mysqlhotcopy
  • (B) mysql
  • (C) mysqlisamchk
  • (D) mysqlcheck

A

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Q. The place where the server stores its databases and status files is the data directory.

  • (A) False
  • (B) True
  • (C) ----
  • (D) ----

A

Admin • 831.35K Points
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Q. How many of these are for use with only MyISAM tables?
mysql, mysqladmin, mysqldump, mysqlisamchk

  • (A) 4
  • (B) 3
  • (C) 2
  • (D) 1

A

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Q. The hub of a MySQL installation is

  • (A) mysqld
  • (B) mysqlc
  • (C) mysqlb
  • (D) mysqla

A

Admin • 831.35K Points
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Q. Select the sequence for how the query mechanism works?

  • (A) DML->query optimizer-> Authentication-> DDL-> output
  • (B) Authentication-> DDL->DML->query optimizer->output
  • (C) DDL->DML->query optimizer-> Authentication->output
  • (D) All of above

A

Admin • 831.35K Points
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Q. The users responsible for query processing in database system are

  • (A) Specialized users
  • (B) Native users
  • (C) Application programmers
  • (D) Sophisticated users

A

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Q. Which are the two languages used in Mysql?

  • (A) DDL/DCL
  • (B) DML/DDM
  • (C) DML/DDL
  • (D) All of above

A

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Q. What is the meaning of “EMPTY SET” in the following query?

Code: 
SELECT First_name, Last_name, Emp_id
FROM Employee
WHERE Last_name=’Gupta’;
/* after Execution*/ Mysql tool RETURN EMPTY SET 0:00sec
  • (A) Error
  • (B) Access denied
  • (C) No values
  • (D) Syntax errors

A

Admin • 831.35K Points
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Q. Query Mechanism performs following functions?

  • (A) Checking permission for executing the query
  • (B) Checking permission for accessing the desired data
  • (C) Syntax correction
  • (D) All of above

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